Advanced SwiftUI Form Validation (2025): Best Practices for Clean User Input

In this advanced SwiftUI tutorial, we’ll show you how to build reliable, user-friendly forms — and validate them like a pro.

From custom error messages to real-time validation feedback, you’ll walk away knowing how to handle everything from emails and passwords to date ranges and accessibility best practices.

🧠 What You’ll Learn:
✅ How to build a form with SwiftUI
✅ Create reusable validation rules for each field
✅ Use ValidationResult enum for cleaner control
✅ Show real-time, user-friendly error messages
✅ Ensure forms are accessible and polished

Clone or download the full demo project here:
📁 GitHub Repo: https://github.com/NDCSwift/FormValidator

🔥 Download My Project Files & More! 🔥
👉 Get the source code for this project & other Swift resources here:
🔗 https://ndcswift.github.io/Swift-Projects/

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⏱️Timestamps
0:00 Intro & information
0:16 Sample App Overview
1:09 Project Setup
1:22 Creating our Variables
2:50 Creating Form
3:12 Section 1 - personal Info
3:31 Adding a textfield
4:32 Secure field for password
4:56 Changing Keyboard type
5:28 Adding Date Picker for birthday
6:27 Section 2 - ToS toggle
6:52 Section 3 - Submit button
7:35 Tracking validation Results in an Enum
8:52 Validation for name function
9:51 Validation for email function
10:21 Regex for email check
13:30 Validation for Password function
14:16 Validation for Birthday function
15:12 Displaying error messages to users
17:35 Form Validation check
19:55 Testing our app
20:59 Adding Accessibility / form improvements
22:58 Wrap up

Видео Advanced SwiftUI Form Validation (2025): Best Practices for Clean User Input канала NDC